261942172

素因数分解:

$2^2\times {\mathrm{167}}^1\times {\mathrm{317}}^1\times {\mathrm{1237}}^1$

素因数の和:1725

約数の個数: 24

約数和(自身を含む): 462972384

約数和(自身を除く): 201030212

約数列:

[1, 2, 4, 167, 317, 334, 634, 668, 1237, 1268, 2474, 4948, 52939, 105878, 206579, 211756, 392129, 413158, 784258, 826316, 1568516, 65485543, 130971086, 261942172]

約数ペア:

[(1, 261942172), (2, 130971086), (4, 65485543), (167, 1568516), (317, 826316), (334, 784258), (634, 413158), (668, 392129), (1237, 211756), (1268, 206579), (2474, 105878), (4948, 52939)]